feat: package skeleton — DESCRIPTION, NAMESPACE, session/manifest/cache/views

Minimal skeleton for uscogdata v0.1. Internal session layer with lazy cog_open(), manifest fetch+validate+cache, view registration placeholder. Depends on DuckDB >=1.0, httr2, jsonlite. inst/schemas/provenance-v1.json ships the structured provenance JSON Schema.
2026-04-23 09:05:54 -04:00
commit f7035049e7
20 changed files with 305 additions and 0 deletions
@@ -0,0 +1,11 @@
+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
+*.Rproj
+inst/doc
+docs/
+/doc/
+/Meta/
+.DS_Store
+/.quarto/